Helicopter Sikorsky HR2S-1 Serial 56-002 Register 138419 used by US Marine Corps USMC. Built 1955. Aircraft history and location Aircraft History 138419 US Marine Corps 1955-12-31Sikorsky S-56, c/n 56-002, ff:? del US Marine Corps as HR2S-1, 138419, 31Dec55 soc & scr unk. 1959-05-15 soc 15may59 Send Updates Use APP to upload photo @ (optional) When Now? / / Send
